Michigan polls, polls, polls!

American Research Group: Santorum 38%, Romney 34%, Paul 12%, Gingrich 7%
[Santorum +4]

NBC News-Marist: Romney 37%, Santorum 35%, Paul 13%, Gingrich 8%
[Romney +2]

Detroit Free Press-WXYZ-TV: Santorum 37%, Romney 34%
[Santorum +3]

Michigan Information & Research Service: Romney 32%, Santorum 30%, Paul 9%, Gingrich 7%
[Romney +2]

Mitchell Research and Rosetta Stone: Romney at 32%, Santorum at 30%
[Romney +2]

Rasmussen: Santorum 38% , Romney’s 34%, Paul 10%, Gingrich 9%
[Santorum +4]

Real Clear Politics: (average of other polls) Santorum 33.8%, Romney 33.2%
[Santorum +0.6]